13204415

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 19353600

約数和(自身を除く): 6149185

約数列:

[1, 5, 7, 23, 35, 47, 115, 161, 235, 329, 349, 805, 1081, 1645, 1745, 2443, 5405, 7567, 8027, 12215, 16403, 37835, 40135, 56189, 82015, 114821, 280945, 377269, 574105, 1886345, 2640883, 13204415]

約数ペア:

[(1, 13204415), (5, 2640883), (7, 1886345), (23, 574105), (35, 377269), (47, 280945), (115, 114821), (161, 82015), (235, 56189), (329, 40135), (349, 37835), (805, 16403), (1081, 12215), (1645, 8027), (1745, 7567), (2443, 5405)]